Hi Nikita, Thank you for the patch! Yet something to improve: [auto build test ERROR on thierry-reding-pwm/for-next] [also build test ERROR on v5.16-rc5 next-20211213] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Nikita-Travkin/Clock-based-PWM-output-driver/20211213-230628 base: https://git.kernel.org/pub/scm/linux/kernel/git/thierry.reding/linux-pwm.git for-next config: riscv-randconfig-c024-20211214 (https://download.01.org/0day-ci/archive/20211215/202112150018.zRKkwUhX-lkp@xxxxxxxxx/config) compiler: riscv32-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/454624747f4637529777274ae1b5ab7af33fd130 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Nikita-Travkin/Clock-based-PWM-output-driver/20211213-230628 git checkout 454624747f4637529777274ae1b5ab7af33fd130 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=riscv SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): riscv32-linux-ld: drivers/pwm/pwm-clk.o: in function `.L18': >> pwm-clk.c:(.text+0x86): undefined reference to `__udivdi3' --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
